PartnerNaomi Koshi

Bar Admissions

admitted in Japan, 2002 and readmitted in 2020
admitted in New York, 2010
admitted in California, 2021
Daini-Tokyo Bar Association

Contact Information

TEL +81-3-6270-3500
FAX +81-3-6270-3501


Japanese, English


Hokkaido University (LL.B., 2000)
Hokkaido University, Graduate School of Law (LL.M., 2001)
Nishimura & Asahi (2002 - 2011)
Lecturer, Waseda University Graduate School of Asia Pacific Studies (2005)
Harvard Law School (LL.M., 2009)
Debevoise & Plimpton LLP, New York (2009 - 2010)
Visiting Fellow, Columbia Business School, Center on Japanese Economy and Business (2010 - 2011)
Intern, General Legal Division, Office of Legal Affairs, The United Nations Headquarters, New York (2011)
Mayor of Otsu City (2012 - 2020)
Young Global Leader, World Economic Forum (2015)
Champion Mayor for Inclusive Growth, OECD (2016)
Outside director, V-cube, Inc. (2020-present)
Advisor, Government Relations Association of Japan (2021-present)
Mentor, SmartCityX (2021-present)

Practice Areas